Xining chen (5 Ergebnisse)
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Taschenbuch. Zustand: Neu. Synthesis and Application of Mesoporous Silica | Heavy Metal Remove And Fine Chemical Synthesis | Xining Chen | Taschenbuch | 224 S. | Englisch | 2014 | LAP LAMBERT Academic Publishing | EAN 9783659609220 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt, in…fo[at]bod[dot]de | Anbieter: preigu.
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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Mesoporous materials with well-defined pore size and structure have applications in a wide range of topics from catalysis, environment and medicine to electronics. This work presents the methods and procedures for preparing functional… mesoporous materials for applications in the environment from removal of toxic metals to clean synthesis of fine chemicals. Magnetic mesoporous silica (magMCM-41) of large surface area (800 m2 g-1) and high magnetization (8.30 emu g-1) was prepared by grafting 10 nm magnetic iron oxide nanoparticles in the silica matrix, and this highly dispersible material can be easily separated from aqueous solution by a magnetic field. Functionalization of the surface with selected ligands and metal complexes creates powerful capabilities for chemical separation and catalysis. Fe3+-magMCM-41 prepared by grafting aminopropyls and then adsorbing Fe3+ was found to be a highly selective adsorbent which adsorbed only As(V) and Cr(VI) oxyanions (70 and 100 mg g-1, respectively) without any Cu(II). A series of salt-tolerant sorbents with designed functionalized groups were capable of removing 97~99% toxic heavy metals with a high Kd (distribution coefficient) value. 224 pp. Englisch.
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Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Chen XiningDr. Xinqing CHEN obtained his Ph.D degree in Chemical Engineering from Hong Kong Univerty of Science and Technology at 2011. He achieved Excellence in 2010 Hong Kong Young Scientist Award in En…gineering Science and publish.
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Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Mesoporous materials with well-defined pore size and structure have applications in a wide range of topics from catalysis, environment and medicine to electronics. This work presents the methods and procedures for preparing functional mes…oporous materials for applications in the environment from removal of toxic metals to clean synthesis of fine chemicals. Magnetic mesoporous silica (magMCM-41) of large surface area (800 m2 g-1) and high magnetization (8.30 emu g-1) was prepared by grafting 10 nm magnetic iron oxide nanoparticles in the silica matrix, and this highly dispersible material can be easily separated from aqueous solution by a magnetic field. Functionalization of the surface with selected ligands and metal complexes creates powerful capabilities for chemical separation and catalysis. Fe3+-magMCM-41 prepared by grafting aminopropyls and then adsorbing Fe3+ was found to be a highly selective adsorbent which adsorbed only As(V) and Cr(VI) oxyanions (70 and 100 mg g-1, respectively) without any Cu(II). A series of salt-tolerant sorbents with designed functionalized groups were capable of removing 97~99% toxic heavy metals with a high Kd (distribution coefficient) value.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 224 pp. Englisch.
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Taschenbuch. Zustand: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Mesoporous materials with well-defined pore size and structure have applications in a wide range of topics from catalysis, environment and medicine to electronics. This work presents the methods and procedures for preparing functional meso…porous materials for applications in the environment from removal of toxic metals to clean synthesis of fine chemicals. Magnetic mesoporous silica (magMCM-41) of large surface area (800 m2 g-1) and high magnetization (8.30 emu g-1) was prepared by grafting 10 nm magnetic iron oxide nanoparticles in the silica matrix, and this highly dispersible material can be easily separated from aqueous solution by a magnetic field. Functionalization of the surface with selected ligands and metal complexes creates powerful capabilities for chemical separation and catalysis. Fe3+-magMCM-41 prepared by grafting aminopropyls and then adsorbing Fe3+ was found to be a highly selective adsorbent which adsorbed only As(V) and Cr(VI) oxyanions (70 and 100 mg g-1, respectively) without any Cu(II). A series of salt-tolerant sorbents with designed functionalized groups were capable of removing 97~99% toxic heavy metals with a high Kd (distribution coefficient) value.
